The Nahanni River is one of the most spectacular wild rivers in North America, with deep canyons, huge waterfalls, and spectacular karst terrain, cave systems and hot springs.
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| Nahanni National Park |
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Nahanni National Park is a 4,700 sq. km. undisturbed natural area of deep river canyons cutting through mountain ranges, with huge waterfalls and complex cave systems. The geomorphology of the park is outstanding in its wealth of form and complexity of evolution. Fluvial processes and features predominate. Within the park are examples of almost every distinct category of river or stream that is known along with one of North America’s huge waterfalls, Virginia Falls. The Flat and South Nahanni rivers are older than the mountains they dissect and have produced the finest examples of river canyons in the world, north of 60º. The injection of igneous rock through tectonic activity has resulted in spectacular granitic peaks. - in: http://whc.unesco.org/en/list/24
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